edit feature flag name and visibility

Author: rubywtl

docs/configuration/config-file-reference.md

@@ -4451,11 +4451,6 @@ grpc_client_config:
 # URL of downstream Prometheus.
 # CLI flag: -frontend.downstream-url
 [downstream_url: <string> | default = ""]
-
-# Experimental: Enables distributed execution of queries by passing logical
-# query plan fragments to downstream components.
-# CLI flag: -frontend.distributed_exec_enabled
-[distributed_exec_enabled: <boolean> | default = false]
 ```
 
 ### `query_range_config`

pkg/frontend/config.go

@@ -21,7 +21,7 @@ type CombinedFrontendConfig struct {
 	FrontendV2 v2.Config               `yaml:",inline"`
 
 	DownstreamURL          string `yaml:"downstream_url"`
-	DistributedExecEnabled bool   `yaml:"distributed_exec_enabled"`
+	DistributedExecEnabled bool   `yaml:"distributed_exec_enabled" doc:"hidden"`
 }
 
 func (cfg *CombinedFrontendConfig) RegisterFlags(f *flag.FlagSet) {
@@ -30,7 +30,7 @@ func (cfg *CombinedFrontendConfig) RegisterFlags(f *flag.FlagSet) {
 	cfg.FrontendV2.RegisterFlags(f)
 
 	f.StringVar(&cfg.DownstreamURL, "frontend.downstream-url", "", "URL of downstream Prometheus.")
-	f.BoolVar(&cfg.DistributedExecEnabled, "frontend.distributed_exec_enabled", false, "Experimental: Enables distributed execution of queries by passing logical query plan fragments to downstream components.")
+	f.BoolVar(&cfg.DistributedExecEnabled, "frontend.distributed-exec-enabled", false, "Experimental: Enables distributed execution of queries by passing logical query plan fragments to downstream components.")
 }
 
 // InitFrontend initializes frontend (either V1 -- without scheduler, or V2 -- with scheduler) or no frontend at